Exposure
- ID
- GRAVI.2021-11-03T05:12:45.696_1
- Header ID
- GRAVI.2021-11-03T05:12:45.696
- Date updated
- 2021-11-03 05:25:49 UTC+0000
- Release date
- 2022-11-03 05:25:49 UTC+0000
- UTC Start
- 2021-11-03 05:12:45.696
- UTC End
- 2021-11-03 05:14:21.696
- MJD Start
- 59521.21719556
- MJD End
- 59521.2183066711
- Exposure time (s)
- 96.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008345
- Ambient temperature (°C)
- 11.71
- Seeing (arcsec)
- 0.35
Observation
- ID
- 48713
- Category
- science
- Program ID
- 108.224U.001
- Program Title
- SPATIALLY RESOLVING BETELGEUSE AND VY CMA, THE CORNERSTONES OF THE RED SUPERGIANT FAMILY
- Program Type
- Normal
- PI / COI
- MONTARGES/ LEBRE/ DUPREE/ HUMPHREYS/ CANNON/ LAGADEC/ SCICLUNA/ KERVELLA/ DE KOTER/ LOPEZ ARISTE/ SANCHEZ/ PALADINI/ DECIN/ KRAVCHENKO/ WITTKOWSKI/ NORRIS/ CHIAVASSA/ RIDGWAY/ PERRIN/ HAUBOIS/ CANTALLOUBE/ RAU/ BRUNO
Target
- ID
- 36483
- Name
- Betelgeuse
- RA
- 88.790832
- DEC
- 7.40712
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-B2 | 25.2900 | 25.2950 | 137.0000 | 136.9000 |
| A0-D0 | 21.9350 | 22.2430 | 72.7000 | 72.9000 |
| A0-C1 | 21.0820 | 21.1810 | 118.8400 | 118.5910 |
| B2-D0 | 25.2850 | 25.3330 | 8.4000 | 9.0000 |
| B2-C1 | 8.4260 | 8.4410 | 8.3720 | 8.9750 |
| D0-C1 | 16.8590 | 16.8910 | 188.4450 | 189.0490 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 108.224U.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,SINGLE |
| MJD-OBS | 59521.21719556 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | Betelgeuse |
| HIERARCH ESO INS SOBJ NAME | Betelgeuse |
| RA | 88.790832 |
| DEC | 7.40712 |
| HIERARCH ESO INS SPEC RES | HIGH |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | A0 |
| HIERARCH ESO ISS CONF STATION2 | B2 |
| HIERARCH ESO ISS CONF STATION3 | D0 |
| HIERARCH ESO ISS CONF STATION4 | C1 |
| EXPTIME | 194.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 0.3 |
| HIERARCH ESO DET2 NDIT | 320 |
| HIERARCH ESO ISS PBL12 START | 25.29 |
| HIERARCH ESO ISS PBL12 END | 25.295 |
| HIERARCH ESO ISS PBLA12 START | 137.0 |
| HIERARCH ESO ISS PBLA12 END | 136.9 |
| HIERARCH ESO ISS PBL13 START | 21.935 |
| HIERARCH ESO ISS PBL13 END | 22.243 |
| HIERARCH ESO ISS PBLA13 START | 72.7 |
| HIERARCH ESO ISS PBLA13 END | 72.9 |
| HIERARCH ESO ISS PBL14 START | 21.082 |
| HIERARCH ESO ISS PBL14 END | 21.181 |
| HIERARCH ESO ISS PBLA14 START | 118.84 |
| HIERARCH ESO ISS PBLA14 END | 118.591 |
| HIERARCH ESO ISS PBL23 START | 25.285 |
| HIERARCH ESO ISS PBL23 END | 25.333 |
| HIERARCH ESO ISS PBLA23 START | 8.4 |
| HIERARCH ESO ISS PBLA23 END | 9.0 |
| HIERARCH ESO ISS PBL24 START | 8.426 |
| HIERARCH ESO ISS PBL24 END | 8.441 |
| HIERARCH ESO ISS PBLA24 START | 8.372 |
| HIERARCH ESO ISS PBLA24 END | 8.975 |
| HIERARCH ESO ISS PBL34 START | 16.859 |
| HIERARCH ESO ISS PBL34 END | 16.891 |
| HIERARCH ESO ISS PBLA34 START | 188.445 |
| HIERARCH ESO ISS PBLA34 END | 189.049 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007604 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009086 |
| HIERARCH ESO ISS AMBI TEMP | 11.71 |
| HIERARCH ESO ISS AMBI FWHM START | 0.36 |
| HIERARCH ESO ISS AMBI FWHM END | 0.34 |